Basics of front-end 3D (as far as viewer, at least).

1 files changed, 15 insertions, 2 deletions

diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc
index 38d5dfcb8..eaa4534e4 100644
--- a/src/lib/video_decoder.cc
+++ b/src/lib/video_decoder.cc
@@ -25,8 +25,9 @@
 using std::cout;
 using boost::shared_ptr;
 
-VideoDecoder::VideoDecoder (shared_ptr<const Film> f)
+VideoDecoder::VideoDecoder (shared_ptr<const Film> f, shared_ptr<const VideoContent> c)
 	: Decoder (f)
+	, _video_content (c)
 	, _video_position (0)
 {
 
@@ -35,7 +36,19 @@ VideoDecoder::VideoDecoder (shared_ptr<const Film> f)
 void
 VideoDecoder::video (shared_ptr<const Image> image, bool same, VideoContent::Frame frame)
 {
-	Video (image, same, frame);
+	switch (_video_content->video_frame_type ()) {
+	case VIDEO_FRAME_TYPE_2D:
+		Video (image, EYES_BOTH, same, frame);
+		break;
+	case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
+	{
+		int const half = image->size().width / 2;
+		Video (image->crop (Crop (0, half, 0, 0), true), EYES_LEFT, same, frame);
+		Video (image->crop (Crop (half, 0, 0, 0), true), EYES_RIGHT, same, frame);
+		break;
+	}
+	}
+	
 	_video_position = frame + 1;
 }